McGraw Hill Glencoe Algebra 1, 2012
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McGraw Hill Glencoe Algebra 1, 2012 View details
7. Perimeter
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Exercise 3 Page p25

Perimeter is found by adding all of the sides lengths of a figure.

The perimeter of a figure is found by adding the lengths of all of the sides. In the given diagram, the hash marks indicate that the opposite sides of this shape have equal lengths.